When we rounded up Affordable Sleeper Chairs & Ottomans as options for hosting overnight guests in small spaces last week, we heard from a lot of commenters that they rely on air mattresses. Indeed, air mattresses have come a long way. While they were once considered torture, they're now just as (and maybe more) comfortable than a lot of convertible sofas and chairs. Check out our top 5 picks for inflatable mattresses and weigh in with your own opinions in the comments.